probot/lib/helpers/update-env.js

A framework for building GitHub Apps to automate and improve your workflow

import { writeFileSync } from "node:fs";
import { join as pathJoin } from "node:path";
import { loadEnv } from "./load-env.js";
function escapeNewlines(str) {
    return str.replace(/\n/g, "\\n");
}
function format(key, value) {
    return `${key}=${escapeNewlines(value)}`;
}
export function updateEnv(values, options = {}) {
    const path = options.path || pathJoin(process.cwd(), ".env");
    // Merge with existing values
    const env = Object.assign(loadEnv({
        path,
    }), values);
    const contents = Object.entries(env)
        .filter((entry) => entry[1] !== undefined)
        .map(([key, value]) => format(key, value))
        .join("\n");
    // Write to file
    writeFileSync(path, contents);
    // Update current env with new values
    Object.assign(options.env || process.env, env);
    return env;
}